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Patents for Charles G. Hildreth
Patents 1 - 3 of 3
First set of recordsLast set of records
NumberDatePatenteeTitleType
50,584Oct. 24, 1865B. HollyFire Tongsfireplace tools
53,617Apr. 03, 1866B. HollySteam Boiler Water Tubestationary boilers
54,905May 22, 1866B. HollyCompressing Airair compressors
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